Virulence properties of Escherichia coli 83972, a prototype strain associated with asymptomatic bacteriuria

被引：55

作者：

Hull, RA ^{[1
]}

Rudy, DC

Donovan, WH

Wieser, IE

Stewart, C

Darouiche, RO

机构：

[1] Baylor Coll Med, Dept Microbiol & Immunol, Houston, TX 77030 USA

[2] Univ Texas, Hlth Sci Ctr, Dept Phys Med & Rehabil, Houston, TX USA

[3] Univ Texas, Hlth Sci Ctr, Div Urol, Houston, TX USA

[4] Baylor Coll Med, Inst Rehabil & Res, Houston, TX 77030 USA

[5] Baylor Coll Med, Dept Phys Med & Rehabil, Spinal Cord Injury Serv, Houston, TX 77030 USA

[6] Baylor Coll Med, Dept Med, Infect Dis Sect, Houston, TX 77030 USA

[7] Vet Adm Med Ctr, Houston, TX 77211 USA

来源：

INFECTION AND IMMUNITY | 1999年 / 67卷 / 01期

关键词：

D O I：

10.1128/IAI.67.1.429-432.1999

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

Little is known about bacteria associated with asymptomatic bacteriuria (ABU) with regard to urinary tract colonization mechanisms. In this study, virulence properties of Escherichia coli 83972, a strain that was isolated from a clinical ABU episode, were examined. The genetic potential for expression of P and type 1 pill was demonstrated, and DNA sequences related to type 1C and G (UCA) pilus genes were also detected. However E. coli 83972 did not express D-mannose-resistant or D-mannose-sensitive hemagglutination after growth under standard conditions in vitro or upon isolation from the urine of colonized test subjects. Limited uroepithelial cell adherence was observed in vivo, and weak D-mannose-sensitive hemagglutination was detected after extended growth in urine in vitro.

引用

页码：429 / 432

页数：4

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